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Old Jun 18, 2013 | 05:00 PM
  #1  
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cth777
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help

Hi- To start off, I realize the expedition doesn't get good mpg. However, mine is getting 9 with relatively soft driving. What can I do to help this?!?!?
Thanks
 
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Old Jun 18, 2013 | 05:21 PM
  #2  
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Originally Posted by cth777
Hi- To start off, I realize the expedition doesn't get good mpg. However, mine is getting 9 with relatively soft driving. What can I do to help this?!?!?
Thanks
Ouch.
We need more info but...
Change your air filter and clean your MFS, see when you last changed the plugs but need to do this at least every 100k. Sooner if necessary.
Rough idle? Maybe a COP or two aren't making good plug contact? Infamous PCV elbow maybe cracked too.
Any codes pulled from the OBD reader?
Loss of power? Cat may be plugged.
I would expect 13-14 mpg in town and 16-17 on the road.
 
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Old Jun 18, 2013 | 05:27 PM
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cth777
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Originally Posted by r2millers
Ouch.
We need more info but...
Change your air filter and clean your MFS, see when you last changed the plugs but need to do this at least every 100k. Sooner if necessary.
Rough idle? Maybe a COP or two aren't making good plug contact? Infamous PCV elbow maybe cracked too.
Any codes pulled from the OBD reader?
Loss of power? Cat may be plugged.
I would expect 13-14 mpg in town and 16-17 on the road.
That's what I was expecting too. I'll get an air filter this weekend and try to survive paying $1ole for the week haha. I'll try and find a good price for spark plug change, as from what I am told this truck is hard to change them on? No codes, I don't sense any loss of power, clean idle, although the belts are squealing a bit so I'll have to change those.
Thanks
 
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